Kaleidoscope is an optical instrument based on the concept of symmetry write few more instruments based on the concept
of symmetry
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Kaleidoscope is an optical instrument made by using two reflective surfaces which are held at an angle that is in a symmetry.
It is an optical instrument.
Some coloured pieces of glass or paper are put in the tube of the kaleidoscope to view various patterns from the other end of the reflecting surface.
One side of the tube is kept loose to observe various patterns.
It is rotated to see patterns.
Some other instruments used on symmetry are periscope, etc
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